Free practice · numeric · easy

Practice

Calculate survey response rate

A survey invited 400 customers and received 40 responses. What was the response rate as a percentage?

Customer survey · evidence boundary

High respondent satisfaction does not erase low response

Invited
400
Targeted customers
Responded
40
Observed sample
Satisfied
32
80% of respondents
Survey response rate10%
10%

The 80% satisfaction result describes the 40 respondents. Nonresponse may make them different from all 400 invited customers.